Question

【题目】He always keeps an eye on shortcomings of his brother’s _________ refusing to admit his own mistakes.

A. but B. while

C. although D. though

Answer 1

【答案】B

【解析】

考查并列连词。句意：他总是留意他哥哥的缺点，却不承认自己的错误。此处while（然而）是并列连词，表明前后形成鲜明对比。故选B。